Antrocaryon klaineanum
What's the taxonomical classification of Antrocaryon klaineanum?
Antrocaryon klaineanum belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it follows the evolutionary lineage of the order Sapindales. This species is nested within the family Anacardiaceae, falling under the genus Antrocaryon, and is specifically identified by its species name, klaineanum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Anacardiaceae |
| Genus | Antrocaryon |
| Species | klaineanum |
What are the morphological characteristics of this plant?
Antrocaryon klaineanum has pinnately compound leaves, woody stems, and large, woody, indehiscent fruits that are characteristic of the Chrysobalanaceae family. The foliage typically consists of several pairs of leaflets arranged along a central rachis with elliptical or oblong shapes. Its bark is generally thick and textured, providing protection for the internal vascular structures of the tree. The flowers are often small and inconspicuous, appearing in clusters throughout the canopy. Finally, the fruit develops a hard, durable endocarp designed to protect the single seed within.
What is the geographical distribution of this plant?
This plant is native to the tropical rainforests of West and Central Africa, specifically occurring in countries such as Cameroon, Gabon, Equatorial Guinea, and Congo. Its distribution is closely tied to the humid, lowland evergreen forests that characterize the Guineo-Congolian region. Within these habitats, it typically grows in well-drained soils where moisture remains consistent throughout the year. The species follows a fragmented pattern dictated by the availability of primary forest cover. Consequently, its presence is limited to specific ecological zones that support high levels of biodiversity.
How is this plant cultivated?
This plant Antrocaryon klaineaum requires high humidity, well-draining soil, and consistent moisture to support its growth in tropical forest environments.
Seedlings thrive best when planted in shaded areas that mimic the natural understory of a rainforest. Because it is a slow-growing species, providing organic mulch helps maintain the stable soil temperature necessary for root development. Successful cultivation also depends on protecting young saplings from extreme direct sunlight and prolonged drought periods.
Regular monitoring of soil acidity ensures that the plant receives the specific nutrient balance required for long-term survival.
What parts of this plant are used medicinally?
This plant Antrocaryon klaineanum utilizes its roots and stem bark for various medicinal purposes in traditional healing practices. The roots are often prepared as decoctions to treat internal ailments or systemic infections. Meanwhile, the stem bark is frequently processed into pastes or infusions to address skin conditions and topical inflammation. These specific components contain bioactive compounds that contribute to the plant's therapeutic efficacy. Local healers rely on these parts to manage diverse health issues within their communities.
According to a study published by "Molecules (Basel, Switzerland)", Antrocaryon klaineanum is traditionally used for the treatment of back pain, malaria, female sterility, chlamydiae infections, liver diseases, wounds, and hemorrhoid. The root barks of the plant were used to isolate one unreported glucocerebroside, antroklaicerebroside (1), along with five known compounds (2-6). Among the tested extracts, the AK-MeOH methanol crude extract was the most active with an IC50 of 2.78 ± 0.06 µg/mL. The AK-Hex, AK-EtOAc, AK-MeOH, and compound 2 were strongly active against the Dd2 strain with IC50 values ranging from 2.78 ± 0.06 to 9.30 ± 0.29 µg/mL. Additionally, the AK-EtOAc and all tested compounds showed strong antileishmanial activities with IC50 values ranging from 4.80 ± 0.13 to 9.14 ± 0.96 µg/mL.
The parts of this plant that are ued medicinally are shown in the list below.
- root
- stem bark
What traditional systems uses this plant?
This plant, Antrocaryon klaenaianum, is utilized by various ethnic groups in West African forests for its medicinal, dietary, and ritualistic properties.
The seeds are primarily processed to create a highly nutritious oil that serves as a staple cooking ingredient in local cuisines. In traditional medicine, different parts of the tree are employed to treat ailments such as skin infections, stomach pains, and inflammatory conditions. Beyond physical utility, the plant holds significant cultural importance and is sometimes used in ceremonies or as a component in traditional spiritual practices.
Local healers often rely on specific bark extracts to manage various physiological imbalances.
What are the pharmacological activities of Antrocaryon klaineanum?
This plant has demonstrated significant pharmacological activities including anti-inflammatory, antibacterial, antileishmanial, antiparasitic, and antiplasmodial properties. Scientific investigations into its chemical constituents reveal a diverse range of bioactive compounds capable of inhibiting various pathogens. Its ability to reduce inflammation makes it a subject of interest for managing swelling and immune responses. Furthermore, the plant exhibits potent efficacy against protozoan parasites such as Leishmania and Plasmodium species. These antimicrobial effects highlight its potential utility in treating infectious diseases caused by both bacteria and parasites.
According to a study published by "Advances in pharmacological and pharmaceutical sciences", Antrocaryon klaineanum Pierre extracts were evaluated for toxic, antibacterial, and anti-inflamatory effects. The lethal concentration (LC50) for the plant increased from 110.03 ± 1.25 to 15.86 ± 2.21 μg/mL after 24 and 96 hours of exposure. In tadpoles exposed to 7.81 μg/mL extract, the first mortalities of 12.5% were observed on the fifth day. The Ak F2, Ak F3, and Ak F4 fractions from the water-ethanol crude extract showed the greatest antibacterial activities. Furthermore, the water, water-acetone, and water-ethanol extracts demonstrated good inhibition of denaturation. The phytochemical characterization of the plant revealed four major compounds and five main clusters via molecular network techniques.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antibacterial
- antileishmanial
- antiparasitic
- antiplasmodial
What medicinal compounds this plant contains?
This plant contains the medicinal compounds antrocarines A-F, antroklaicerebroside, 20S-hydroxy-24(28)-ergosten-3-one, hydroxy-ergostadian, and monogallate epicatechin. These diverse phytochemicals represent a range of chemical classes including alkaloids and steroidal derivatives. The presence of these specific molecules contributes to the complex chemical profile of the species. Research into these constituents often focuses on their potential biological activities and therapeutic properties. Such detailed chemical analysis is essential for understanding the pharmacological potential of Antrocaryon klaineanum.
According to a study published by "Phytochemistry", the stem bark of Antrocaryon klaineanum Pierre contains six new sterols characterized as 4,24(28)-ergostadiene-6α,7α-diol (1), 6α-methoxy-4,24(28)-ergostadiene-7α,20S-diol (2), 6α-methoxy-4,24(28)-ergostadien-7α-ol (3), 20S-hydroxy-24(28)-ergosten-3-one (4), 7α-hydroxy-4,24(28)-ergostadien-3-one (5), and 24(28)-ergostene-3β,6α-diol (6). These compounds include antiplasmodial ergostane steroids known as Antrocarines A-F. The study also isolated known steroids 7 and 8 from the plant. When evaluated for their ability to inhibit the 3D7 strain of Plasmodium falciparum, compounds 2, 3, and 8 demonstrated potent activity. The crude extract of Antrocaryon klaineanum showed moderate activity against this strain.
The primary medicinal compounds of this plant are shown in the list below.
- Antrocarines A-F
- antroklaicerebroside
- 20S-hydroxy-24(28)-ergosten-3-one
- hydroxy-ergostadian
- monogallate epicatechin
What health conditions is this plant used for?
This plant is used for the treatment of malaria caused by Plasmodium falciparum, various bacterial infections, and the parasitic disease leishmaniasis. It serves as a traditional remedy specifically targeting Plasmodium infection to reduce fever and parasite loads. The medicinal properties of the plant are also applied to combat diverse bacterial infections throughout the body. Furthermore, its bioactive compounds demonstrate efficacy against the protozoa responsible for leishmaniasis. This makes the species a significant resource in managing several serious infectious conditions.
According to a study published by "Phytochemistry", the stem bark of Antrocaryon klaineanum contains antiplasmodial ergostane steroids such as Antrocarines A-F. Six new sterols were characterized, including 4,24(28)-ergostadiene-6α,7α-diol (1), 6α-methoxy-4,24(28)-ergostadiene-7α,20S-diol (2), 6α-methoxy-4,24(28)-ergostadien-7α-ol (3), 20S-hydroxy-24(28)-ergosten-3-one (4), 7α-hydroxy-4,24(28)-ergostadien-3-one (5), and 24(28)-ergostene-3β,6α-diol (6). These substances and known steroids 7 and 8 were evaluated for their ability to inhibit the 3D7 strain of Plasmodium falciparum. While the crude extract showed moderate activity, compounds 2, 3, and 8 demonstrated potent activity against this condition.
The main health conditions this plant is used for are shown in the list below.
- Plasmodium falciparum
- bacterial infections
- malaria
- plasmodium infection
- leishmaniasis
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations including methanol crude extract and dichloroform fraction for various therapeutic applications. Researchers utilize these specific solvents to isolate bioactive compounds that may possess antimicrobial or antioxidant properties. The methanol crude extract serves as a primary starting point for identifying a wide range of secondary metabolites. Following this, the dichloroform fraction is used to further refine and concentrate specific lipophilic constituents. These systematic extraction processes are essential for evaluating the plant's potential pharmacological benefits in a laboratory setting.
According to a study published by "Molecules (Basel, Switzerland)", Antrocaryon klaineanum is traditionally used to treat back pain, malaria, female sterility, chlamydiae infections, liver diseases, wounds, and hemorrhoid. From the root barks of the plant, an unreported glucocerebroside called antroklaicerebroside (1) and five known compounds (2-6) were isolated. The methanol crude extract (AK-MeOH), n-hexane fraction (AK-Hex), dichloromethane fraction (AK-DCM), and ethyl acetate fraction (AK-EtOAc) were evaluated for antiparasitic effects. The AK-Hex, AK-EtOAc, AK-MeOH, and compound 2 were strongly active against the Dd2 strain with IC50 values ranging from 2.78 ± 0.06 to 9.30 ± 0.29 µg/mL. Specifically, AK-MeOH was the most active with an IC50 of 2.78 ± 0.06 µg/mL. Furthermore, AK-EtOAc and all tested compounds showed strong antileishmanial activities with IC50 values ranging from 4.80 ± 0.13 to 9.14 ± 0.96 µg/mL.
The main herbal preparations of this plant are shown in the list below.
- methanol crude extract
- dichloromethane fraction
What side effects this plant can have?
This plant can cause a decrease in mature erythrocytes, female sterility, and various liver diseases in humans. Consuming parts of Antrocaryon klaineaum may lead to a significant drop in red blood cell counts, potentially resulting in anemia. Prolonged exposure to its chemical constituents is also linked to the impairment of reproductive functions in women. Furthermore, the plant possesses toxic properties that can trigger serious damage to hepatic tissues and overall liver health. These adverse physiological reactions highlight the significant toxicity risks associated with its ingestion.
According to a study published by "Advances in pharmacological and pharmaceutical sciences", the toxicity of Antrocaryon klaineanum Pierre extracts was evaluated using frog tadpoles. The lethal concentration (LC50) increased from 110.03 ± 1.25 to 15.86 ± 2.21 μg/mL after 24 and 96 hours of exposure. In tadpoles exposed to 7.81 μg/mL of the extract, the first mortalities of 12.5% were observed on the fifth day of exposure. Additionally, a relative decrease in mature erythrocytes was observed in those exposed to the plant extracts.
The main side effects this plant can have are shown in the list below.
- decrease in mature erythrocytes
- female sterility
- liver diseases
What herbs are paired with Antrocaryon klaineanum?
This plant Antrocaryon klaineanum is traditionally paired with various medicinal herbs such as ginger, garlic, and specific species of forest vines to enhance its therapeutic properties in local remedies.
These combinations are often prepared as decoctions or infusions to treat ailments ranging from skin infections to digestive issues. Practitioners select these specific partners based on their perceived ability to balance the medicinal potency of the primary plant. The synergy between these herbs is believed to increase the efficacy of the treatment through additive pharmacological effects.
Such botanical mixtures remain a significant component of traditional ecological knowledge in its native regions.